Kingsman Red Herringbone Refractory Fiber Brick Liner for HBZDV4736 Direct Vent Gas FireplaceFeaturing durable construction, this liner easily provides a classic appearance for your product, while its red herringbone brick design easily integrates into any dcor. What's Included 4 Piece Red Herringbone Refractory Fiber Brick Liner Features Color: Red Herringbone Designed to add a realistic appearance to the firebox interior Durable cast refractory construction Installation hardware included Provides the look of a herringbone style brick